How many years has the company been operating A: 15 years B: 20 years C: 25 years D: 30 years

When has the letter been discovered?: 15 years later.|5 years later.|50 years later.

But cellphones had been around for 15 years before they caught on with() America. By that yardstick, broadband-widely available for only the past couple of years-has many more miles to go. A: main-topmast B: mainstay C: main artery D: mainstream

He has died for years, so almost nobody knows him.() A: has died B: for years C: so D: almost nobody

How long has Odysseus been away from home? A: 10 years B: 20 years C: 30 years D: 5 years

It has valleys ___________________ into the Earth millions of years ago.

Lunar New Year painting in Gaomi has a history of more than________. A: 800 years B: 900 years C: 600 years D: 500 years

It has been 10 years since I was at the house. What has __________ the old garden?

The company has been established for over 20 years and has over 200 (employ)_________.

How many years has she been married？ She has been married （）.